The Lyrids meteor shower begins on April 17 and peaks April 22. Stargazers can see 18 meteors per hour streaking across the ...

Hubble, with its sharp imaging capabilities, detected more than 200 million stars in the Andromeda galaxy that are brighter than Earth's sun. But astronomers estimate the total population of stars ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

But one backyard astrophotographer has shattered that notion with a stunning photo of the Andromeda Galaxy, revealing individual ... of the lunar surface, the sun, and even some of our solar ...

Astronomers at the University of Michigan have discovered a new satellite of the Andromeda Galaxy (M31), the Milky Way’s closest major galactic neighbor, and it has broken the record for the ...

Not only is Andromeda XXXV the dimmest and smallest known satellite galaxy in the Andromeda system, it's about 3 million light-years away, making it very hard to spot. The ellipse within the inset ...

Sgr A*, in turn, is dwarfed by some supermassive black holes detected in other large galaxies such as one with a mass 6.5 billion times greater than that of the sun in a galaxy called Messier 87. That ...